BeOS landing; thanks to Duncan Wilcox (duncan@be.com) for these changes.

xpcom/io/nsFileSpecBeOS.cpp

@@ -0,0 +1,396 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "NPL"); you may not use this file except in
+ * compliance with the NPL.  You may obtain a copy of the NPL at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the NPL is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
+ * for the specific language governing rights and limitations under the
+ * NPL.
+ *
+ * The Initial Developer of this code under the NPL is Netscape
+ * Communications Corporation.  Portions created by Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation.  All Rights
+ * Reserved.
+ */
+ 
+//    This file is included by nsFileSpec.cpp, and includes the Unix-specific
+//    implementations.
+
+#include <sys/stat.h>
+#include <sys/param.h>
+#include <errno.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <limits.h>
+#include "nsError.h"
+#include "prio.h"   /* for PR_Rename */
+
+// BeOS specific headers
+#include <Entry.h>
+#include <Path.h>
+#include <Volume.h>
+
+//----------------------------------------------------------------------------------------
+void nsFileSpecHelpers::Canonify(nsSimpleCharString& ioPath, PRBool inMakeDirs)
+// Canonify, make absolute, and check whether directories exist
+//----------------------------------------------------------------------------------------
+{
+    if (ioPath.IsEmpty())
+        return;
+    if (inMakeDirs)
+    {
+        const mode_t mode = 0700;
+        nsFileSpecHelpers::MakeAllDirectories((const char*)ioPath, mode);
+    }
+    char buffer[MAXPATHLEN];
+    errno = 0;
+    *buffer = '\0';
+    BEntry e((const char *)ioPath, true);
+    BPath p;
+    e.GetPath(&p);
+    ioPath = p.Path();
+} // nsFileSpecHelpers::Canonify
+
+//----------------------------------------------------------------------------------------
+void nsFileSpec::SetLeafName(const char* inLeafName)
+//----------------------------------------------------------------------------------------
+{
+    mPath.LeafReplace('/', inLeafName);
+} // nsFileSpec::SetLeafName
+
+//----------------------------------------------------------------------------------------
+char* nsFileSpec::GetLeafName() const
+//----------------------------------------------------------------------------------------
+{
+    return mPath.GetLeaf('/');
+} // nsFileSpec::GetLeafName
+
+//----------------------------------------------------------------------------------------
+PRBool nsFileSpec::Exists() const
+//----------------------------------------------------------------------------------------
+{
+    struct stat st;
+    return !mPath.IsEmpty() && 0 == stat(mPath, &st); 
+} // nsFileSpec::Exists
+
+//----------------------------------------------------------------------------------------
+void nsFileSpec::GetModDate(TimeStamp& outStamp) const
+//----------------------------------------------------------------------------------------
+{
+	struct stat st;
+    if (!mPath.IsEmpty() && stat(mPath, &st) == 0) 
+        outStamp = st.st_mtime; 
+    else
+        outStamp = 0;
+} // nsFileSpec::GetModDate
+
+//----------------------------------------------------------------------------------------
+PRUint32 nsFileSpec::GetFileSize() const
+//----------------------------------------------------------------------------------------
+{
+	struct stat st;
+    if (!mPath.IsEmpty() && stat(mPath, &st) == 0) 
+        return (PRUint32)st.st_size; 
+    return 0;
+} // nsFileSpec::GetFileSize
+
+//----------------------------------------------------------------------------------------
+PRBool nsFileSpec::IsFile() const
+//----------------------------------------------------------------------------------------
+{
+    struct stat st;
+    return !mPath.IsEmpty() && stat(mPath, &st) == 0 && S_ISREG(st.st_mode); 
+} // nsFileSpec::IsFile
+
+//----------------------------------------------------------------------------------------
+PRBool nsFileSpec::IsDirectory() const
+//----------------------------------------------------------------------------------------
+{
+    struct stat st;
+    return !mPath.IsEmpty() && 0 == stat(mPath, &st) && S_ISDIR(st.st_mode); 
+} // nsFileSpec::IsDirectory
+
+//----------------------------------------------------------------------------------------
+void nsFileSpec::GetParent(nsFileSpec& outSpec) const
+//----------------------------------------------------------------------------------------
+{
+    outSpec.mPath = mPath;
+	char* chars = (char*)outSpec.mPath;
+	chars[outSpec.mPath.Length() - 1] = '\0'; // avoid trailing separator, if any
+    char* cp = strrchr(chars, '/');
+    if (cp++)
+	    outSpec.mPath.SetLength(cp - chars); // truncate.
+} // nsFileSpec::GetParent
+
+//----------------------------------------------------------------------------------------
+void nsFileSpec::operator += (const char* inRelativePath)
+//----------------------------------------------------------------------------------------
+{
+    if (!inRelativePath || mPath.IsEmpty())
+        return;
+    
+    char endChar = mPath[(int)(strlen(mPath) - 1)];
+    if (endChar == '/')
+        mPath += "x";
+    else
+        mPath += "/x";
+    SetLeafName(inRelativePath);
+} // nsFileSpec::operator +=
+
+//----------------------------------------------------------------------------------------
+void nsFileSpec::CreateDirectory(int mode)
+//----------------------------------------------------------------------------------------
+{
+    // Note that mPath is canonical!
+    if (mPath.IsEmpty())
+        return;
+    mkdir(mPath, mode);
+} // nsFileSpec::CreateDirectory
+
+//----------------------------------------------------------------------------------------
+void nsFileSpec::Delete(PRBool inRecursive) const
+// To check if this worked, call Exists() afterwards, see?
+//----------------------------------------------------------------------------------------
+{
+    if (IsDirectory())
+    {
+        if (inRecursive)
+        {
+            for (nsDirectoryIterator i(*this); i.Exists(); i++)
+            {
+                nsFileSpec& child = (nsFileSpec&)i;
+                child.Delete(inRecursive);
+            }        
+        }
+        rmdir(mPath);
+    }
+    else if (!mPath.IsEmpty())
+        remove(mPath);
+} // nsFileSpec::Delete
+
+//----------------------------------------------------------------------------------------
+nsresult nsFileSpec::Rename(const char* inNewName)
+//----------------------------------------------------------------------------------------
+{
+    // This function should not be used to move a file on disk. 
+    if (mPath.IsEmpty() || strchr(inNewName, '/')) 
+        return NS_FILE_FAILURE;
+
+    char* oldPath = nsCRT::strdup(mPath);
+    
+    SetLeafName(inNewName); 
+
+    if (PR_Rename(oldPath, mPath) != NS_OK)
+    {
+        // Could not rename, set back to the original.
+        mPath = oldPath;
+        return NS_FILE_FAILURE;
+    }
+    
+    nsCRT::free(oldPath);
+
+    return NS_OK;
+} // nsFileSpec::Rename
+
+//----------------------------------------------------------------------------------------
+static int CrudeFileCopy(const char* in, const char* out)
+//----------------------------------------------------------------------------------------
+{
+	struct stat in_stat;
+	int stat_result = -1;
+
+	char	buf [1024];
+	FILE	*ifp, *ofp;
+	int	rbytes, wbytes;
+
+	if (!in || !out)
+		return -1;
+
+	stat_result = stat (in, &in_stat);
+
+	ifp = fopen (in, "r");
+	if (!ifp) 
+	{
+		return -1;
+	}
+
+	ofp = fopen (out, "w");
+	if (!ofp)
+	{
+		fclose (ifp);
+		return -1;
+	}
+
+	while ((rbytes = fread (buf, 1, sizeof(buf), ifp)) > 0)
+	{
+		while (rbytes > 0)
+		{
+			if ( (wbytes = fwrite (buf, 1, rbytes, ofp)) < 0 )
+			{
+				fclose (ofp);
+				fclose (ifp);
+				unlink(out);
+				return -1;
+			}
+			rbytes -= wbytes;
+		}
+	}
+	fclose (ofp);
+	fclose (ifp);
+
+	if (stat_result == 0)
+		chmod (out, in_stat.st_mode & 0777);
+
+	return 0;
+} // nsFileSpec::Rename
+
+//----------------------------------------------------------------------------------------
+nsresult nsFileSpec::Copy(const nsFileSpec& inParentDirectory) const
+//----------------------------------------------------------------------------------------
+{
+    // We can only copy into a directory, and (for now) can not copy entire directories
+    nsresult result = NS_FILE_FAILURE;
+
+    if (inParentDirectory.IsDirectory() && (! IsDirectory() ) )
+    {
+        char *leafname = GetLeafName();
+        nsSimpleCharString destPath(inParentDirectory.GetCString());
+        destPath += "/";
+        destPath += leafname;
+        nsCRT::free(leafname);
+        result = NS_FILE_RESULT(CrudeFileCopy(GetCString(), destPath));
+    }
+    return result;
+} // nsFileSpec::Copy
+
+//----------------------------------------------------------------------------------------
+nsresult nsFileSpec::Move(const nsFileSpec& inNewParentDirectory)
+//----------------------------------------------------------------------------------------
+{
+    // We can only copy into a directory, and (for now) can not copy entire directories
+    nsresult result = NS_FILE_FAILURE;
+
+    if (inNewParentDirectory.IsDirectory() && !IsDirectory())
+    {
+        char *leafname = GetLeafName();
+        nsSimpleCharString destPath(inNewParentDirectory.GetCString());
+        destPath += "/";
+        destPath += leafname;
+        nsCRT::free(leafname);
+
+        result = NS_FILE_RESULT(CrudeFileCopy(GetCString(), (const char*)destPath));
+        if (result == NS_OK)
+        {
+            // cast to fix const-ness
+		    ((nsFileSpec*)this)->Delete(PR_FALSE);
+        
+            *this = inNewParentDirectory + GetLeafName(); 
+    	}
+    }
+    return result;
+} 
+
+//----------------------------------------------------------------------------------------
+nsresult nsFileSpec::Execute(const char* inArgs ) const
+//----------------------------------------------------------------------------------------
+{
+    nsresult result = NS_FILE_FAILURE;
+    
+    if (!mPath.IsEmpty() && !IsDirectory())
+    {
+        nsSimpleCharString fileNameWithArgs = mPath + " " + inArgs;
+        result = NS_FILE_RESULT(system(fileNameWithArgs));
+    } 
+
+    return result;
+
+} // nsFileSpec::Execute
+
+//----------------------------------------------------------------------------------------
+PRUint32 nsFileSpec::GetDiskSpaceAvailable() const
+//----------------------------------------------------------------------------------------
+{
+    char curdir [MAXPATHLEN];
+    if (!mPath || !*mPath)
+    {
+        (void) getcwd(curdir, MAXPATHLEN);
+        if (!curdir)
+            return ULONG_MAX;  /* hope for the best as we did in cheddar */
+    }
+    else
+        sprintf(curdir, "%.200s", (const char*)mPath);
+
+    BEntry e(curdir);
+    if(e.InitCheck() != B_OK)
+        return ULONG_MAX; /* hope for the best as we did in cheddar */
+    entry_ref ref;
+    e.GetRef(&ref);
+    BVolume v(ref.device);
+
+    // HACK!!!
+    PRUint32 space = v.FreeBytes() > (int64)(ULONG_MAX) ? ULONG_MAX : (int32)v.FreeBytes();
+ 
+#ifdef DEBUG_DISK_SPACE
+    printf("DiskSpaceAvailable: %d bytes\n", space);
+#endif
+    return space;
+} // nsFileSpec::GetDiskSpace()
+
+//========================================================================================
+//                                nsDirectoryIterator
+//========================================================================================
+
+//----------------------------------------------------------------------------------------
+nsDirectoryIterator::nsDirectoryIterator(
+    const nsFileSpec& inDirectory
+,   int /*inIterateDirection*/)
+//----------------------------------------------------------------------------------------
+    : mCurrent(inDirectory)
+    , mExists(PR_FALSE)
+    , mDir(nsnull)
+{
+    mCurrent += "sysygy"; // prepare the path for SetLeafName
+    mDir = opendir((const char*)nsFilePath(inDirectory));
+    ++(*this);
+} // nsDirectoryIterator::nsDirectoryIterator
+
+//----------------------------------------------------------------------------------------
+nsDirectoryIterator::~nsDirectoryIterator()
+//----------------------------------------------------------------------------------------
+{
+    if (mDir)
+        closedir(mDir);
+} // nsDirectoryIterator::nsDirectoryIterator
+
+//----------------------------------------------------------------------------------------
+nsDirectoryIterator& nsDirectoryIterator::operator ++ ()
+//----------------------------------------------------------------------------------------
+{
+    mExists = PR_FALSE;
+    if (!mDir)
+        return *this;
+    char* dot    = ".";
+    char* dotdot = "..";
+    struct dirent* entry = readdir(mDir);
+    if (entry && strcmp(entry->d_name, dot) == 0)
+        entry = readdir(mDir);
+    if (entry && strcmp(entry->d_name, dotdot) == 0)
+        entry = readdir(mDir);
+    if (entry)
+    {
+        mExists = PR_TRUE;
+        mCurrent.SetLeafName(entry->d_name);
+    }
+    return *this;
+} // nsDirectoryIterator::operator ++
+
+//----------------------------------------------------------------------------------------
+nsDirectoryIterator& nsDirectoryIterator::operator -- ()
+//----------------------------------------------------------------------------------------
+{
+    return ++(*this); // can't do it backwards.
+} // nsDirectoryIterator::operator --